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Message-ID: <CAD-N9QUZg6k==cf6Jw3Efr608WTt6wkX+eha1Thz1efg3MBmVA@mail.gmail.com>
Date:   Wed, 1 Dec 2021 20:24:31 +0800
From:   Dongliang Mu <mudongliangabcd@...il.com>
To:     kernel test robot <lkp@...el.com>
Cc:     Ioana Ciornei <ioana.ciornei@....com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Leon Romanovsky <leon@...nel.org>, kbuild-all@...ts.01.org,
        "open list:NETWORKING [GENERAL]" <netdev@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] dpaa2-eth: add error handling code for dpaa2_eth_dl_register

On Wed, Dec 1, 2021 at 8:04 PM kernel test robot <lkp@...el.com> wrote:
>
> Hi Dongliang,
>
> Thank you for the patch! Yet something to improve:
>
> [auto build test ERROR on linus/master]
> [also build test ERROR on v5.16-rc3 next-20211201]
> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
> https://git-scm.com/docs/git-format-patch]
>
> url:    https://github.com/0day-ci/linux/commits/Dongliang-Mu/dpaa2-eth-add-error-handling-code-for-dpaa2_eth_dl_register/20211130-122101
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git d58071a8a76d779eedab38033ae4c821c30295a5
> config: arm64-defconfig (https://download.01.org/0day-ci/archive/20211201/202112012029.0sSjB1Bn-lkp@intel.com/config)
> compiler: aarch64-linux-gcc (GCC) 11.2.0
> reproduce (this is a W=1 build):
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # https://github.com/0day-ci/linux/commit/8c2f20e67d1f8605b042655d121a18f5ce61faa7
>         git remote add linux-review https://github.com/0day-ci/linux
>         git fetch --no-tags linux-review Dongliang-Mu/dpaa2-eth-add-error-handling-code-for-dpaa2_eth_dl_register/20211130-122101
>         git checkout 8c2f20e67d1f8605b042655d121a18f5ce61faa7
>         # save the config file to linux build tree
>         mkdir build_dir
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/net/
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@...el.com>
>
> All errors (new ones prefixed by >>):
>
>    drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c: In function 'dpaa2_eth_probe':
> >> drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c:4465:13: error: void value not ignored as it ought to be
>     4465 |         err = dpaa2_eth_dl_register(priv);
>          |             ^
>

Hi all,

please ignore my stupid patch.

>
> vim +4465 drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
>
>   4464
> > 4465          err = dpaa2_eth_dl_register(priv);
>   4466          if (err < 0) {
>   4467                  dev_err(dev, "dpaa2_eth_dl_register failed\n");
>   4468                  goto err_dl_register;
>   4469          }
>   4470          dev_info(dev, "Probed interface %s\n", net_dev->name);
>   4471          return 0;
>   4472
>   4473  err_dl_register:
>   4474  #ifdef CONFIG_DEBUG_FS
>   4475          dpaa2_dbg_remove(priv);
>   4476  #endif
>   4477          unregister_netdev(net_dev);
>   4478  err_netdev_reg:
>   4479          dpaa2_eth_dl_port_del(priv);
>   4480  err_dl_port_add:
>   4481          dpaa2_eth_dl_traps_unregister(priv);
>   4482  err_dl_trap_register:
>   4483          dpaa2_eth_dl_free(priv);
>   4484  err_dl_alloc:
>   4485          dpaa2_eth_disconnect_mac(priv);
>   4486  err_connect_mac:
>   4487          if (priv->do_link_poll)
>   4488                  kthread_stop(priv->poll_thread);
>   4489          else
>   4490                  fsl_mc_free_irqs(dpni_dev);
>   4491  err_poll_thread:
>   4492          dpaa2_eth_free_rings(priv);
>   4493  err_alloc_rings:
>   4494  err_csum:
>   4495  err_netdev_init:
>   4496          free_percpu(priv->sgt_cache);
>   4497  err_alloc_sgt_cache:
>   4498          free_percpu(priv->percpu_extras);
>   4499  err_alloc_percpu_extras:
>   4500          free_percpu(priv->percpu_stats);
>   4501  err_alloc_percpu_stats:
>   4502          dpaa2_eth_del_ch_napi(priv);
>   4503  err_bind:
>   4504          dpaa2_eth_free_dpbp(priv);
>   4505  err_dpbp_setup:
>   4506          dpaa2_eth_free_dpio(priv);
>   4507  err_dpio_setup:
>   4508          dpaa2_eth_free_dpni(priv);
>   4509  err_dpni_setup:
>   4510          fsl_mc_portal_free(priv->mc_io);
>   4511  err_portal_alloc:
>   4512          destroy_workqueue(priv->dpaa2_ptp_wq);
>   4513  err_wq_alloc:
>   4514          dev_set_drvdata(dev, NULL);
>   4515          free_netdev(net_dev);
>   4516
>   4517          return err;
>   4518  }
>   4519
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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